Number · Addition and subtraction
Addition and subtraction
Add and subtract whole numbers, including sums set out in columns and missing-number sentences.
Victorian Curriculum VC2M4N06 · 25 questions
How we teach it
This is what sits under the answer sheets in the app — the same cards, clips and lessons your child sees after a question.
More lessons for this topic are on the way.
One question, as your child sees it
And the answer sheet that follows a second wrong try: what we know, what we need, the steps, a check, the answer.
12 + 17 + 3 + 8 =
Your child types the answer on a number pad.
First hint: Look for a pair that makes a tidy number first: 17 and 3 make 20.
The answer sheet
Pair 17 + 3 = 20, then 12 + 8 = 20. Two twenties make 40.